S1 E1 • Collisions

S1 E2 • Magnets & Static Electricity

S1 E3 • Energy Transfer

S1 E4 • Light Reflection & Vision

S1 E5 • Properties of Matter

S1 E6 • Wave Properties

S1 E7 • Balanced & Unbalanced Forces

S1 E8 • Conservation of Matter

S1 E9 • Chemical vs. Physical Changes

S1 E10 • Particle Nature of Matter

S1 E11 • Information Transfer

S1 E12 • Patterns of Motion & Friction

S1 E13 • Renewable vs. Nonrenewable Resources

S1 E14 • Water Cycle

S1 E15 • Weather vs. Climate

S1 E16 • Extreme Weather Solutions

S1 E17 • Brain Processing of Senses

S1 E18 • Human Body Systems

S1 E19 • Natural Disasters

S1 E20 • Water Quality & Distribution

S1 E21 • How Do We Use Food

S1 E22 • Weathering & Erosion

S1 E23 • The Moon & Its Phases

S1 E24 • Earth's Orbit & Rotation

S1 E25 • The Sun and Other Stars

S1 E26 • Interaction of Earth's Spheres

S1 E27 • What is Science?

S1 E28 • Fossils & Extinctions

S1 E29 • Earth's Landscapes

S1 E30 • Structure of Living Things

S1 E31 • Animal Group Behavior

S1 E32 • Adaptations and the Environment

S1 E33 • Variation of Traits

S1 E34 • Animal & Plant Life Cycles

S1 E35 • Food Webs

S1 E36 • Ecosystems